129 providers on MSP Pie offer Business phone systems in Australia. Some background: business phone systems cover VoIP and unified communications setup — moving a business off traditional phone lines onto cloud-based calling, often bundled with video and messaging. Worth knowing: buying a business phone system usually means comparing per-user monthly cost against a traditional line, plus whether video and messaging are bundled in.
The most common specialisms across the list in Australia are Managed IT and helpdesk (44), Cyber security (41), Business phone systems (34), Backup and disaster recovery (30), Microsoft 365 (27). In total, 60 distinct specialisms are represented across this group of providers in Australia. Founding years among them range from 1982 to 2025. They are based across 92 different suburbs. 52 of the 129 operate from more than one office across Australia.